package com.imooc.controller;
import com.imooc.config.ProjectUrlConfig;
import com.imooc.enums.ResultEnum;
import com.imooc.exception.SellException;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.common.api.WxConsts;
import me.chanjar.weixin.common.exception.WxErrorException;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import java.net.URLEncoder;
@Controller
@RequestMapping("/wechat")
@Slf4j
public class WechatController {
@Autowired
private WxMpService wxMpService;
@Autowired
private WxMpService wxOpenService;
@Autowired
private ProjectUrlConfig projectUrlConfig;
@GetMapping("/authorize")
public String authorize(@RequestParam("returnUrl") String returnUrl) {
//1. 配置
//2. 调用方法
String url = projectUrlConfig.getWechatMpAuthorize() + "/sell/wechat/userInfo";
String redirectUrl = wxMpService.oauth2buildAuthorizationUrl(url, WxConsts.OAUTH2_SCOPE_BASE, URLEncoder.encode(returnUrl));
return "redirect:" + redirectUrl;
}
@GetMapping("/userInfo")
public String userInfo(@RequestParam("code") String code,
@RequestParam("state") String returnUrl) {
WxMpOAuth2AccessToken wxMpOAuth2AccessToken = new WxMpOAuth2AccessToken();
try {
wxMpOAuth2AccessToken = wxMpService.oauth2getAccessToken(code);
} catch (WxErrorException e) {
log.error("【微信网页授权】{}", e);
throw new SellException(ResultEnum.WECHAT_MP_ERROR.getCode(), e.getError().getErrorMsg());
}
String openId = wxMpOAuth2AccessToken.getOpenId();
return "redirect:" + returnUrl + "?openid=" + openId;
}
@GetMapping("/qrAuthorize")
public String qrAuthorize(@RequestParam("returnUrl") String returnUrl) {
String url = projectUrlConfig.getWechatOpenAuthorize() + "/sell/wechat/qrUserInfo";
String redirectUrl = wxOpenService.buildQrConnectUrl(url, WxConsts.QRCONNECT_SCOPE_SNSAPI_LOGIN, URLEncoder.encode(returnUrl));
return "redirect:" + redirectUrl;
}
@GetMapping("/qrUserInfo")
public String qrUserInfo(@RequestParam("code") String code,
@RequestParam("state") String returnUrl) {
WxMpOAuth2AccessToken wxMpOAuth2AccessToken = new WxMpOAuth2AccessToken();
try {
wxMpOAuth2AccessToken = wxOpenService.oauth2getAccessToken(code);
} catch (WxErrorException e) {
log.error("【微信网页授权】{}", e);
throw new SellException(ResultEnum.WECHAT_MP_ERROR.getCode(), e.getError().getErrorMsg());
}
log.info("wxMpOAuth2AccessToken={}", wxMpOAuth2AccessToken);
String openId = wxMpOAuth2AccessToken.getOpenId();
return "redirect:" + returnUrl + "?openid=" + openId;
}
}